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Finding the Fourth Proportional to 312,571.67, 468,344.91 and 132,513.23

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Solution

The fourth proportional to 312,571.67, 468,344.91 and 132,513.23 is: 198,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,571.67 : 468,344.91 = 132,513.23 : x
  2. Step 2: Convert to fraction form
    312,571.67/468,344.91 = 132,513.23/x
  3. Step 3: Cross multiply
    312,571.67x = 468,344.91 × 132,513.23
  4. Step 4: Simplify right side
    312,571.67x = 62,061,894,436.43
  5. Step 5: Solve for x
    x = 62,061,894,436.43/312,571.67
  6. Step 6: Final answer
    x = 198,552.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.